Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 289 (SECURITY SYSTEM AND LOCKS SYSTEM)IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARINGNO. 4 CHANGING THE METHOD FOR REGISTERING ADDITIONAL KEYSPROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
No. 4 Changing The Method For Registering Additional Keys: Procedure
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Procedure
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Using any key, turn the ignition switch to the ON position. (Either a valid or an unregistered key can be used.)NOTE:
- When using an unregistered key, although the security light flashes and DTC 15 is displayed, this does not indicate an improper procedure. Continue to perform the procedure as indicated.
- Connect the WDS or equivalent to the DLC-2.
- Select "Body/Security/PATS function" from the WDS or equivalent screen menu.
- Perform security access as indicated on the WDS or equivalent screen. (See NO.6 SECURITY ACCESS PROCEDURE .)
- Select either "Customer Spare Key Programming Enable" or "Customer Spare Key Programming Disable" from the WDS or equivalent screen menu. Depending on the selected menu, the additional key registration method is as shown below:
- After verifying that the PATS function menu is displayed again on the WDS or equivalent screen, select "Exit" to complete the WDS or equivalent function.
- After Step 6, wait 10 s or more and then turn the ignition switch to the LOCK position.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.